EXHIBIT 23.1

                         CONSENT OF INDEPENDENT AUDITORS

   We consent to the  incorporation by reference in the  Registration  Statement
(Form S-8 No. 333-02819)  pertaining to the 1994 Management Stock Option Plan of
EMCOR  Group,  Inc. and the 1995  Non-Employee  Directors'  Non-Qualified  Stock
Option Plan of EMCOR  Group,  Inc.,  the  Registration  Statement  (Form S-8 No.
333-75449)  pertaining to the 1997 Non-Employee  Directors'  Non-Qualified Stock
Option Plan of EMCOR Group,  Inc. and the 1997 Stock Plan for Directors of EMCOR
Group, Inc. and the Registration  Statement (Form S-8 No. 333-112940) pertaining
to the Executive  Stock Bonus Plan of EMCOR Group,  Inc., the 2003  Non-Employee
Directors'  Stock Option Plan of EMCOR Group,  Inc., the 2003  Management  Stock
Incentive Plan of EMCOR Group,  Inc.,  certain stock option  agreements  between
EMCOR Group,  Inc. and  directors of EMCOR Group,  Inc. and certain stock option
agreements between EMCOR Group, Inc. and executive officers of EMCOR Group, Inc.
and the Registration  Statement (Form S-8 No.  333-86600)  pertaining to certain
stock option  agreements  between EMCOR Group,  Inc. and specified  employees of
EMCOR  Group,  Inc. of our report  dated  February  24, 2004 with respect to the
consolidated  financial  statements  and schedule at December 31, 2003 and 2002,
and for each of the years  then  ended of EMCOR  Group,  Inc.  and  subsidiaries
included in the Annual Report (Form 10-K) for the year ended December 31, 2003.




Stamford, Connecticut                                   /S/ ERNST & YOUNG LLP
February 24, 2004